what's your policy? >>> welcome back to "hardball." big news here in washington late today. cia director david petraeus has resigned his position over what he called an extramarital affair. nbc chief foreign affairs -- chief correspondent for foreign matters richard engel is with us along with david ignatius of the "washington post." let me go with you, richard, what do you make of this? it didn't seem -- what's the right word? it didn't seem to be freighted right. he's quitting over an extramarital affair, but why is he telling us about this? it doesn't seem like the normal washington scandal developing here. what's going on? >> well, the timing, we may have some new indications about the timing based on the information i'm about to say. this is what we know so far and what we've been able to confirm and is reportable. of course, the cia director today resigned, and he cited that extramarital affair. also we have learned from law enforcement sources and law enforcement officials that the fbi is now investigating, and this is an ongoing investigation, into paula broadwell. s